1 # SPDX-License-Identifier: GPL-2.0
2 config ALPHA
3 bool
4 default y
5 select ARCH_32BIT_USTAT_F_TINODE
6 select ARCH_HAS_CURRENT_STACK_POINTER
7 select ARCH_HAS_DMA_OPS if PCI
8 select ARCH_MIGHT_HAVE_PC_PARPORT
9 select ARCH_MIGHT_HAVE_PC_SERIO
10 select ARCH_NO_PREEMPT
11 select ARCH_NO_SG_CHAIN
12 select ARCH_USE_CMPXCHG_LOCKREF
13 select FORCE_PCI
14 select PCI_DOMAINS if PCI
15 select PCI_SYSCALL if PCI
16 select HAVE_ASM_MODVERSIONS
17 select HAVE_PAGE_SIZE_8KB
18 select HAVE_PCSPKR_PLATFORM
19 select HAVE_PERF_EVENTS
20 select NEED_DMA_MAP_STATE
21 select NEED_SG_DMA_LENGTH
22 select GENERIC_IRQ_PROBE
23 select GENERIC_PCI_IOMAP
24 select AUTO_IRQ_AFFINITY if SMP
25 select GENERIC_IRQ_SHOW
26 select ARCH_WANT_IPC_PARSE_VERSION
27 select ARCH_HAVE_NMI_SAFE_CMPXCHG
28 select AUDIT_ARCH
29 select GENERIC_CPU_VULNERABILITIES
30 select GENERIC_SMP_IDLE_THREAD
31 select HAS_IOPORT
32 select HAVE_ARCH_AUDITSYSCALL
33 select HAVE_MOD_ARCH_SPECIFIC
34 select LOCK_MM_AND_FIND_VMA
35 select MODULES_USE_ELF_RELA
36 select ODD_RT_SIGACTION
37 select OLD_SIGSUSPEND
38 select CPU_NO_EFFICIENT_FFS if !ALPHA_
39 select MMU_GATHER_NO_RANGE
40 select SPARSEMEM_EXTREME if SPARSEMEM
41 select ZONE_DMA
42 help
43 The Alpha is a 64-bit general-purpos
44 marketed by the Digital Equipment Co
45 now Hewlett-Packard. The Alpha Linu
46 <http://www.alphalinux.org/>.
47
48 config 64BIT
49 def_bool y
50
51 config MMU
52 bool
53 default y
54
55 config ARCH_HAS_ILOG2_U32
56 bool
57 default n
58
59 config ARCH_HAS_ILOG2_U64
60 bool
61 default n
62
63 config GENERIC_CALIBRATE_DELAY
64 bool
65 default y
66
67 config GENERIC_ISA_DMA
68 bool
69 default y
70
71 config PGTABLE_LEVELS
72 int
73 default 3
74
75 config AUDIT_ARCH
76 bool
77
78 menu "System setup"
79
80 choice
81 prompt "Alpha system type"
82 default ALPHA_GENERIC
83 help
84 This is the system type of your hard
85 run on any supported Alpha system. H
86 kernel for your specific system, it
87
88 To find out what type of Alpha syste
89 check out the Linux/Alpha FAQ, acces
90 <http://www.alphalinux.org/>. In sum
91
92 Alcor/Alpha-XLT AS 600, AS 500,
93 DP264 DP264 / DS20 / E
94 LX164 AlphaPC164-LX
95 Miata Personal Worksta
96 Marvel AlphaServer ES47
97 Mikasa AS 1000
98 Noritake AS 1000A, AS 600
99 PC164 AlphaPC164
100 Rawhide AS 1200, AS 4000
101 Ruffian RPX164-2, AlphaP
102 SX164 AlphaPC164-SX
103 Sable AS 2000, AS 2100
104 Shark DS 20L
105 Takara Takara (OEM)
106 Titan AlphaServer ES45
107 Wildfire AlphaServer GS 4
108
109 If you don't know what to do, choose
110
111 config ALPHA_GENERIC
112 bool "Generic"
113 depends on TTY
114 select HAVE_EISA
115 help
116 A generic kernel will run on all sup
117
118 config ALPHA_ALCOR
119 bool "Alcor/Alpha-XLT"
120 select HAVE_EISA
121 help
122 For systems using the Digital ALCOR
123 slices (Data Switch, DSW) - 208-pin
124 Address, CIA) - a 383 pin plastic PG
125 controller (256-bit memory bus) and
126 all the work required to support an
127 memory coherence when a PCI device D
128
129 config ALPHA_DP264
130 bool "DP264"
131 help
132 Various 21264 systems with the tsuna
133 API Networks: 264DP, UP2000(+), CS20
134 Compaq: DS10(E,L), XP900, XP1000, DS
135
136 config ALPHA_EIGER
137 bool "Eiger"
138 help
139 Apparently an obscure OEM single-boa
140 Typhoon/Tsunami chipset family. Info
141
142 config ALPHA_LX164
143 bool "LX164"
144 help
145 A technical overview of this board i
146 <http://www.unix-ag.org/Linux-Alpha/
147
148 config ALPHA_MARVEL
149 bool "Marvel"
150 help
151 AlphaServer ES47 / ES80 / GS1280 bas
152
153 config ALPHA_MIATA
154 bool "Miata"
155 select HAVE_EISA
156 help
157 The Digital PersonalWorkStation (PWS
158 or 600au).
159
160 config ALPHA_MIKASA
161 bool "Mikasa"
162 help
163 AlphaServer 1000-based Alpha systems
164
165 config ALPHA_NAUTILUS
166 bool "Nautilus"
167 help
168 Alpha systems based on the AMD 751 &
169
170 config ALPHA_NORITAKE
171 bool "Noritake"
172 select HAVE_EISA
173 help
174 AlphaServer 1000A, AlphaServer 600A,
175 systems.
176
177 config ALPHA_PC164
178 bool "PC164"
179
180 config ALPHA_RAWHIDE
181 bool "Rawhide"
182 select HAVE_EISA
183 help
184 AlphaServer 1200, AlphaServer 4000 a
185 See HOWTO at
186 <http://www.alphalinux.org/docs/rawh
187
188 config ALPHA_RUFFIAN
189 bool "Ruffian"
190 help
191 Samsung APC164UX. There is a page o
192 at <http://www.alphalinux.org/faq/FA
193
194 config ALPHA_RX164
195 bool "RX164"
196
197 config ALPHA_SX164
198 bool "SX164"
199
200 config ALPHA_SABLE
201 bool "Sable"
202 select HAVE_EISA
203 help
204 Digital AlphaServer 2000 and 2100-ba
205
206 config ALPHA_SHARK
207 bool "Shark"
208
209 config ALPHA_TAKARA
210 bool "Takara"
211 help
212 Alpha 11164-based OEM single-board c
213
214 config ALPHA_TITAN
215 bool "Titan"
216 help
217 AlphaServer ES45/DS25 SMP based on E
218
219 config ALPHA_WILDFIRE
220 bool "Wildfire"
221 help
222 AlphaServer GS 40/80/160/320 SMP bas
223
224 endchoice
225
226 # clear all implied options (don't want defaul
227 # Most of these machines have ISA slots; not e
228 # and this doesn't activate hordes of code, so
229 config ISA
230 bool
231 default y
232 help
233 Find out whether you have ISA slots
234 name of a bus system, i.e. the way t
235 inside your box. Other bus systems
236 (MCA) or VESA. ISA is an older syst
237 newer boards don't support it. If y
238
239 config ISA_DMA_API
240 bool
241 default y
242
243 config ALPHA_CIA
244 bool
245 depends on ALPHA_MIATA || ALPHA_LX164
246 default y
247
248 config ALPHA_EV56
249 bool
250 default y if ALPHA_ALCOR || ALPHA_RX16
251
252 config ALPHA_T2
253 bool
254 depends on ALPHA_SABLE
255 default y
256
257 config ALPHA_PYXIS
258 bool
259 depends on ALPHA_MIATA || ALPHA_LX164
260 default y
261
262 config ALPHA_EV6
263 bool
264 depends on ALPHA_NAUTILUS || ALPHA_WIL
265 default y
266
267 config ALPHA_TSUNAMI
268 bool
269 depends on ALPHA_SHARK || ALPHA_DP264
270 default y
271
272 config ALPHA_EV67
273 bool "EV67 (or later) CPU (speed > 600
274 default y if ALPHA_NAUTILUS || ALPHA_W
275 help
276 Is this a machine based on the EV67
277 and the machine will be treated as a
278
279 config ALPHA_MCPCIA
280 bool
281 depends on ALPHA_RAWHIDE
282 default y
283
284 config ALPHA_POLARIS
285 bool
286 depends on ALPHA_RX164
287 default y
288
289 config ALPHA_IRONGATE
290 bool
291 depends on ALPHA_NAUTILUS
292 default y
293
294 config GENERIC_HWEIGHT
295 bool
296 default y if !ALPHA_EV67
297
298 config ALPHA_BROKEN_IRQ_MASK
299 bool
300 depends on ALPHA_GENERIC || ALPHA_PC16
301 default y
302
303 config VGA_HOSE
304 bool
305 depends on VGA_CONSOLE && (ALPHA_GENER
306 default y
307 help
308 Support VGA on an arbitrary hose; ne
309 which always have multiple hoses, an
310
311
312 config ALPHA_QEMU
313 bool "Run under QEMU emulation"
314 depends on !ALPHA_GENERIC
315 help
316 Assume the presence of special featu
317 that reduce the overhead of system e
318
319 Generic kernels will auto-detect QEM
320 system-specific kernel, the assumpti
321 eliminate as many runtime tests as p
322
323 If unsure, say N.
324
325
326 config ALPHA_SRM
327 bool "Use SRM as bootloader" if ALPHA_
328 depends on TTY
329 default y if ALPHA_MIKASA || ALPHA_SAB
330 help
331 There are two different types of boo
332 which is command line driven, and AR
333 keys. Details about the Linux/Alpha
334 the Linux/Alpha FAQ, accessible on t
335 <http://www.alphalinux.org/>.
336
337 The usual way to load Linux on an Al
338 (a bootloader that lets you pass com
339 kernel just like lilo does for the x
340 loaded either from ARC or can be ins
341 firmware replacement from floppy (wh
342 jumper on the motherboard). If you w
343 here. If MILO doesn't work on your s
344 motherboards), you can bypass it alt
345 from an SRM console; say Y here in o
346 won't be able to boot from an IDE di
347
348 If unsure, say N.
349
350 config ARCH_MAY_HAVE_PC_FDC
351 def_bool y
352
353 config SMP
354 bool "Symmetric multi-processing suppo
355 depends on ALPHA_SABLE || ALPHA_RAWHID
356 help
357 This enables support for systems wit
358 a system with only one CPU, say N. I
359 than one CPU, say Y.
360
361 If you say N here, the kernel will r
362 machines, but will use only one CPU
363 you say Y here, the kernel will run
364 uniprocessor machines. On a uniproce
365 will run faster if you say N here.
366
367 See also the SMP-HOWTO available at
368 <https://www.tldp.org/docs.html#howt
369
370 If you don't know what to do here, s
371
372 config NR_CPUS
373 int "Maximum number of CPUs (2-32)"
374 range 2 32
375 depends on SMP
376 default "32" if ALPHA_GENERIC || ALPHA
377 default "4" if !ALPHA_GENERIC && !ALPH
378 help
379 MARVEL support can handle a maximum
380 with working support have a maximum
381
382 config ARCH_SPARSEMEM_ENABLE
383 bool "Sparse Memory Support"
384 help
385 Say Y to support efficient handling
386 for systems that have huge holes in
387
388 config ALPHA_WTINT
389 bool "Use WTINT" if ALPHA_SRM || ALPHA
390 default y if ALPHA_QEMU
391 default n if ALPHA_EV56
392 default n if !ALPHA_SRM && !ALPHA_GENE
393 default y if SMP
394 help
395 The Wait for Interrupt (WTINT) PALca
396 to sleep until the next interrupt.
397 consumed, and the heat produced by t
398 the side effect of making the cycle
399 device across the sleep.
400
401 For emulation under QEMU, definitely
402 mechanisms for measuring time than t
403
404 For EV4 (but not LCA), EV5 and EV56
405 MILO, sleep mode is not supported so
406
407 For SMP systems we cannot use the cy
408 so you might as well say Y here.
409
410 If unsure, say N.
411
412 # LARGE_VMALLOC is racy, if you *really* need
413 config ALPHA_LARGE_VMALLOC
414 bool
415 help
416 Process creation and other aspects o
417 be streamlined if we restrict the ke
418 allocations. This equates to about
419
420 Under normal circumstances, this is
421 as to be laughable. However, there
422 as benchmark-grade in-kernel web ser
423 much vmalloc space as is available.
424
425 Say N unless you know you need gobs
426
427 config VERBOSE_MCHECK
428 bool "Verbose Machine Checks"
429
430 config VERBOSE_MCHECK_ON
431 int "Verbose Printing Mode (0=off, 1=o
432 depends on VERBOSE_MCHECK
433 default 1
434 help
435 This option allows the default print
436 possibly overridden by a boot comman
437
438 For example, if one wanted the optio
439 machine checks, but wanted the defau
440 machine check printing was turned of
441 the printing mode to be 0. Then, upo
442 the boot command line "verbose_mchec
443 verbose machine check printing, or "
444 the maximum information available.
445
446 Take the default (1) unless you want
447
448 choice
449 prompt "Timer interrupt frequency (HZ)
450 default HZ_128 if ALPHA_QEMU
451 default HZ_1200 if ALPHA_RAWHIDE
452 default HZ_1024
453 help
454 The frequency at which timer interru
455 minimizes latency, whereas a low fre
456 process accounting. The later effec
457 when being run under QEMU.
458
459 Note that some Alpha hardware cannot
460 of the timer. If unsure, say 1024 (
461
462 config HZ_32
463 bool "32 Hz"
464 config HZ_64
465 bool "64 Hz"
466 config HZ_128
467 bool "128 Hz"
468 config HZ_256
469 bool "256 Hz"
470 config HZ_1024
471 bool "1024 Hz"
472 config HZ_1200
473 bool "1200 Hz"
474 endchoice
475
476 config HZ
477 int
478 default 32 if HZ_32
479 default 64 if HZ_64
480 default 128 if HZ_128
481 default 256 if HZ_256
482 default 1200 if HZ_1200
483 default 1024
484
485 config SRM_ENV
486 tristate "SRM environment through proc
487 depends on PROC_FS
488 help
489 If you enable this option, a subdire
490 /proc/srm_environment will give you
491 SRM environment variables (those whi
492 to all others (by their internal num
493
494 SRM is something like a BIOS for Alp
495 other such BIOSes, like AlphaBIOS, w
496 support (hey, that's not SRM!).
497
498 Despite the fact that this driver do
499 only on those which have SRM as thei
500 build it even if your particular mac
501 (or if you intend to compile a gener
502 not create those subdirectory in /pr
503 of course).
504
505 This driver is also available as a m
506 srm_env then.
507
508 endmenu
509
510 # DUMMY_CONSOLE may be defined in drivers/vide
511 # but we also need it if VGA_HOSE is set
512 config DUMMY_CONSOLE
513 bool
514 depends on VGA_HOSE
515 default y
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